Answer:
45
Step-by-step explanation:
9x10/2=45
Answer:
Sam is 12 years then
Step-by-step explanation:
Sam's age =15-3
=12 years
90/15-7/15=83/15 the correct answer to this equation.
Answer:
-5x ≤ 6x - 11
Step-by-step explanation:
Solving inequalities involves the same steps as equations with the exception that when multiplying or dividing by a negative coefficient of the variable, the inequality sign will flip. The solution to one of the inequalities given must be x ≥ 1. Given this answer, you can solve each to find the matching inequality:
-5x ≥ 6x - 11 or -11x ≥ -11 or x ≤ 1 (flip the sign due to negative coefficient)
-5x ≤ 6x - 11 or -11x ≤ -11 or x ≥ 1 (flip the sign)
5x ≤ 6x + 11 or -x ≤ 11 or x ≥ -1
-5x ≤ 6x + 11 or -11x ≤ 11 or x ≥ -1
Answer:
4 1/2 hours
Step-by-step explanation:
Total time worked was ...
2 3/4 + 1 3/4 = (2 +1) + (3/4 +3/4)
= 3 + (1 1/2) = 4 1/2 . . . hours
